789589728 has 96 divisors (see below), whose sum is σ = 2382458400. Its totient is φ = 254112768.

The previous prime is 789589711. The next prime is 789589729. The reversal of 789589728 is 827985987.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×789589728² = 1246903877126227968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789589729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9300 + ... + 40812.

It is an arithmetic number, because the mean of its divisors is an integer number (24817275).

Almost surely, 2^789589728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789589728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191229200).

789589728 is an abundant number, since it is smaller than the sum of its proper divisors (1592868672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789589728 is a wasteful number, since it uses less digits than its factorization.

789589728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31561 (or 31547 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The square root of 789589728 is about 28099.6392859410. The cubic root of 789589728 is about 924.2734896286.

The spelling of 789589728 in words is "seven hundred eighty-nine million, five hundred eighty-nine thousand, seven hundred twenty-eight".